From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7A048C433DB for ; Fri, 19 Mar 2021 12:20:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4B49364F65 for ; Fri, 19 Mar 2021 12:20:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230192AbhCSMTi (ORCPT ); Fri, 19 Mar 2021 08:19:38 -0400 Received: from mail.kernel.org ([198.145.29.99]:56658 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229979AbhCSMTG (ORCPT ); Fri, 19 Mar 2021 08:19:06 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 1F73E64F6E; Fri, 19 Mar 2021 12:18:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1616156334; bh=Xsv6uBz+2BuWLAQLzEeuYikoPDZ+SQRqq5W5nIPI5Es=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pcTYDBunPllT3+XbkezFiY3S+stXMf33QtdyhEKsEWnLLBHI1vqtP7I5AvenjQZha fqPFpjXFHpbkiXp9+vqHMNCXRcmAmb8aU/Y5MXPZduTZpvNifgj3qtH00S9+QSVuhd VC++YidiCz3Bj8EdhJl9BOqF+OXVgcRELQX02nV0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Florian Fainelli , Vladimir Oltean , Jakub Kicinski Subject: [PATCH 4.19 8/8] net: dsa: b53: Support setting learning on port Date: Fri, 19 Mar 2021 13:18:27 +0100 Message-Id: <20210319121744.371636297@linuxfoundation.org> X-Mailer: git-send-email 2.31.0 In-Reply-To: <20210319121744.114946147@linuxfoundation.org> References: <20210319121744.114946147@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Florian Fainelli commit f9b3827ee66cfcf297d0acd6ecf33653a5f297ef upstream. Add support for being able to set the learning attribute on port, and make sure that the standalone ports start up with learning disabled. We can remove the code in bcm_sf2 that configured the ports learning attribute because we want the standalone ports to have learning disabled by default and port 7 cannot be bridged, so its learning attribute will not change past its initial configuration. Signed-off-by: Florian Fainelli Reviewed-by: Vladimir Oltean Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- drivers/net/dsa/b53/b53_common.c | 19 +++++++++++++++++++ drivers/net/dsa/b53/b53_regs.h | 1 + drivers/net/dsa/bcm_sf2.c | 5 ----- 3 files changed, 20 insertions(+), 5 deletions(-) --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -507,12 +507,27 @@ void b53_imp_vlan_setup(struct dsa_switc } EXPORT_SYMBOL(b53_imp_vlan_setup); +static void b53_port_set_learning(struct b53_device *dev, int port, + bool learning) +{ + u16 reg; + + b53_read16(dev, B53_CTRL_PAGE, B53_DIS_LEARNING, ®); + if (learning) + reg &= ~BIT(port); + else + reg |= BIT(port); + b53_write16(dev, B53_CTRL_PAGE, B53_DIS_LEARNING, reg); +} + int b53_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy) { struct b53_device *dev = ds->priv; unsigned int cpu_port = ds->ports[port].cpu_dp->index; u16 pvlan; + b53_port_set_learning(dev, port, false); + /* Clear the Rx and Tx disable bits and set to no spanning tree */ b53_write8(dev, B53_CTRL_PAGE, B53_PORT_CTRL(port), 0); @@ -620,6 +635,7 @@ static void b53_enable_cpu_port(struct b b53_write8(dev, B53_CTRL_PAGE, B53_PORT_CTRL(port), port_ctrl); b53_brcm_hdr_setup(dev->ds, port); + b53_port_set_learning(dev, port, false); } static void b53_enable_mib(struct b53_device *dev) @@ -1517,6 +1533,8 @@ int b53_br_join(struct dsa_switch *ds, i b53_write16(dev, B53_PVLAN_PAGE, B53_PVLAN_PORT_MASK(port), pvlan); dev->ports[port].vlan_ctl_mask = pvlan; + b53_port_set_learning(dev, port, true); + return 0; } EXPORT_SYMBOL(b53_br_join); @@ -1564,6 +1582,7 @@ void b53_br_leave(struct dsa_switch *ds, vl->untag |= BIT(port) | BIT(cpu_port); b53_set_vlan_entry(dev, pvid, vl); } + b53_port_set_learning(dev, port, false); } EXPORT_SYMBOL(b53_br_leave); --- a/drivers/net/dsa/b53/b53_regs.h +++ b/drivers/net/dsa/b53/b53_regs.h @@ -115,6 +115,7 @@ #define B53_UC_FLOOD_MASK 0x32 #define B53_MC_FLOOD_MASK 0x34 #define B53_IPMC_FLOOD_MASK 0x36 +#define B53_DIS_LEARNING 0x3c /* * Override Ports 0-7 State on devices with xMII interfaces (8 bit) --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -173,11 +173,6 @@ static int bcm_sf2_port_setup(struct dsa reg &= ~P_TXQ_PSM_VDD(port); core_writel(priv, reg, CORE_MEM_PSM_VDD_CTRL); - /* Enable learning */ - reg = core_readl(priv, CORE_DIS_LEARN); - reg &= ~BIT(port); - core_writel(priv, reg, CORE_DIS_LEARN); - /* Enable Broadcom tags for that port if requested */ if (priv->brcm_tag_mask & BIT(port)) b53_brcm_hdr_setup(ds, port);